0,4
V. I. Arnold, The calculus of snakes and the combinatorics of Bernoulli, Euler and Springer numbers of Coxeter groups, Uspekhi Mat. Nauk., 47 (#1, 1992), 3-45 = Russian Math. Surveys, Vol. 47 (1992), 1-51.
Cf. A001586.
Sequence in context: A047049 A020034 A128884 this_sequence A054749 A107204 A116151
Adjacent sequences: A007833 A007834 A007835 this_sequence A007837 A007838 A007839
nonn,nice
njas
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